Submersible pump with liquid level meter for substation

The utility model relates to a submersible pump with a liquid level meter for a substation, comprising a submersible pump and a cable channel, wherein the submersible pump is arranged in the cable channel of a pool-shaped structure in the substation; and the cable channel is internally provided with a magnetic floating ball type liquid level meter. The liquid level meter consists of a floating ball, a guide pipe, a reed pipe group and a sealing pipe cap, wherein the floating ball is sheathed on the guide pipe made of anti-corrosion metal material; the guide pipe is longitudinally and vertically arranged; the reed pipe group is arranged in the guide pipe; and the top end of the guide pipe is provided with the sealing pipe cap and the bottom end thereof is also sealed. The floating ball with a permanent magnet floats up and down along the guide pipe according to the water level; under the effect of magnetic field, two reeds in the reed pipe group are magnetized, the magnetism generated by the free ends of the t